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In this article we derive new symbolic tools to gain large-scale computer understanding in QCD. Here we exploit the fact that hypergeometric structures in single and multiscale Feynman integrals emerge in a wide class of topologies. Using integration-by-parts relations, associated master or scalar integrals have to be calculated. For this purpose it appears useful to devise an automated method which recognizes the respective (partial) differential equations related to the corresponding higher transcendental functions. We solve these equations through associated recursions of the expansion coefficient of the multivalued formal Taylor series. The expansion coefficients can be determined using either the package  in the case of linear difference equations or by applying heuristic methods in the case of partial linear difference equations. In the present context a new type of sums occurs, the Hurwitz harmonic sums, and generalized versions of them. The code  transforming classes of differential equations into analytic series expansions is described. Also partial difference equations having rational solutions and rational function solutions of Pochhammer symbols are considered, for which the code  is designed. Generalized hypergeometric functions, Appell-, Kamp\u00e9 de F\u00e9riet-, Horn-, Lauricella-Saran-, Srivasta-, and Exton\u2013type functions are considered. We illustrate the algorithms by examples.<\/jats:p>","DOI":"10.1007\/s10472-023-09831-8","type":"journal-article","created":{"date-parts":[[2023,4,3]],"date-time":"2023-04-03T10:23:20Z","timestamp":1680517400000},"page":"591-649","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Hypergeometric structures in Feynman integrals"],"prefix":"10.1007","volume":"91","author":[{"given":"J.","family":"Bl\u00fcmlein","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Saragnese","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5703-4530","authenticated-orcid":false,"given":"C.","family":"Schneider","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,4,3]]},"reference":[{"key":"9831_CR1","unstructured":"Hamberg, R: Second order gluonic contributions to physical quantities, Ph.D. Thesis Leiden University (1991)"},{"key":"9831_CR2","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1016\/j.nuclphysb.2004.08.020","volume":"699","author":"AI Davydychev","year":"2004","unstructured":"Davydychev, AI, Kalmykov, MY: Massive Feynman diagrams and inverse binomial sums. 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